參數(shù)資料
型號: MC92600
廠商: Motorola, Inc.
英文描述: High-speed, Full-duplex, Serial Data Interface(高速全雙工串行數(shù)據(jù)接口)
中文描述: 高速,全雙工,串行數(shù)據(jù)接口(高速全雙工串行數(shù)據(jù)接口)
文件頁數(shù): 26/82頁
文件大?。?/td> 1056K
代理商: MC92600
3-4
MC92600 WarpLink Quad Users Manual
Alignment Modes
3.3 Alignment Modes
Warplink supports two types of alignment, byte alignment and word alignment. Byte
aligment deals with WarpLink being conTgured as four separate receivers. Word alignment
deals with four receivers being conTgured to work together.
3.3.1 Byte Alignment
The receiver supports four modes of byte alignment as deTned by the BSYNC_0 and
BSYNC_1 signals. As described in Table 3-2, there are four types of byte alignment modes:
byte alignment with realignment, byte alignment with fast alignment/realignment, byte
DDRE
Double data rate
enable
Indicates that the data interfaces are
running at double data rate (data is
output on the rising and falling edges
of clock.) Establishes DDR mode.
Input
High
BSYNC_0/
BSYNC_1
Byte alignment mode
Indicates the type of byte alignment to
employ in the receiver. See Section
3.3.1.
Input
RCCE
Recovered clock enable
Indicates that the output data is
synchronized to its recovered byte
clock. Otherwise output data is
synchronized to the reference clock.
Input
High
ADIE
Add/delete idle enable
Indicates that the receiver is free to
add/delete idle characters to/from the
output data stream to maintain
alignment.
Input
High
REPE
Repeater mode enable
When enabled, the transmitter obtains
transmit data from the receiver.
Input
High
TST_0/
TST_1
Test mode
Indicates operating/test mode of the
chip. See Chapter 5.
Input
REF_CLK
Reference clock
System reference clock to which the
receiver interfaces may be timed.
Provided frequency is dependent on
HSE and DDRE settings.
Input
RLINK_n_N/
RLINK_n_P
Link serial receive data
Differential serial receive data input
pads.
Input
Internal Signals
rx_clock
High speed transceiver
clock
Internal, differential high speed clock
used to transmit and receive link data.
Input
loop_back_data
Loop back data
Differential loop back receive data.
Input
repeat_data
Received repeat data
Repeater mode, received data to
re-transmit.
Output
Table 3-1. WarpLink Receiver Interface Signals (Continued)
Signal Name
Description
Function
Direction
Active
State
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